The bag separates by size.
The gaps between the short seals are small enough to restrict larger cereal pieces. Crumbs that fit can move through them.
A packaging prototype, not a new cereal
The idea is to separate the small broken pieces inside the bag, before you pour your cereal.
Small gaps lead into the pocket. Larger cereal stays above. You pour from the top, then empty the collected crumbs separately if you choose.
Real prototype. Not currently for sale. Reliability across cereals and handling conditions is still being tested.
The video shows the modified bag, cereal being poured from the top, and collected crumbs being emptied separately.
Paid creator content, not independent test results. Cereal brands visible in the video are demonstration examples; no brand endorsement is claimed.
The video could not load. The illustrated explanation below covers the mechanism.
A close look inside
The separator is made by joining the front and back walls of the bag in short sections. The spaces left between those sections are the crumb passages. There is no separate strainer to hold over your bowl.
Larger pieces are kept above the gaps.
Smaller pieces pass through the internal gaps.
Simplified design illustration, not to scale or a measured result. Gap size must suit the cereal. The small passages are inside the bag, not holes through its outer wall.
The gaps between the short seals are small enough to restrict larger cereal pieces. Crumbs that fit can move through them.
As the bag is handled and smaller pieces settle downward, the gaps provide a route into the pocket below. The very bottom is sealed shut, so crumbs do not fall out of the package.
The top is still the cereal opening. Longer sealed sections at the sides of the pocket are intended to help hold back collected crumbs as the bag tilts. This is a retention feature, not a one-way valve.
The lower pocket can be opened separately to empty its contents. The patent describes a tear-open corner for this purpose. The video shows a separate crumb pour.
Look at the actual prototype
Look for larger cereal above that line and smaller particles beneath it. The line is the interrupted seal explained above, not an extra bag sitting inside the cereal.
This existing 13-second prototype clip is a demonstration, not a comparative performance test.
Common questions
It is a cereal-packaging design. The idea is for the separation feature to be built into the bag the cereal comes in, including a liner inside a cereal box. It is not a new cereal recipe or a gadget you use over your bowl. There is no retail product to order here yet.
The patent makes the sealed sections nearest the sides longer than the middle sections. Those ends are intended to help retain collected crumbs during a sideways pour. That is the design approach, not a guarantee that no crumb can return. Tilt angle, cereal size, loading and repeated pours are part of the testing still needed.
No external holes are needed for the size-separation passages. The openings are gaps in the internal seal between the upper area and lower pocket. The bottom edge remains sealed. Opening the pocket separately to use its crumbs is a different action.
There is no separate filter to hold over a bowl. The concept relies on small pieces settling through the gaps as the bag is handled. How much movement is needed for useful separation is still being evaluated; vigorous shaking is not being prescribed.
That has not been established. The gap dimensions need to suit the cereal pieces, and the pocket must remain open enough to receive crumbs. Different cereals and real handling conditions need separate tests.
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